Journal of Sensors / 2019 / Article / Tab 8

Research Article

Adaptive Principal Component Analysis Combined with Feature Extraction-Based Method for Feature Identification in Manufacturing

Table 8

Suitable image features, optimal principal components, and indicators for pattern detection in manufacturing. fj: suitable image features, PCj: optimal principal components, j: representing , Ii(i=0,1,2,3): indicators for the corresponding class .

Classf0 (pixels)f1f2f3f4PC0PC1PC2PC3PC4Ii

A256 ×192C5, C6  C7 N/A
4-levelN/A1.36321.2138 N/A1.4098N/AI0
B512 ×384C4,C5, C6,C7 N/A
4-level1.51291.1052 N/A1.38441.1426I1
C512 ×384C4,C5, C6,C7 4-level
N/A1.47931.1337 1.2954N/A1.1058I2
D256 ×192C5, C6  C7 4-level
N/AN/A1.40681.1972 1.3173N/AN/AI3

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